Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December suggests a modest reduction in the average high-temperature, shifting from a comfortable 16.3°C (61.3°F) in November to a cool 10.8°C (51.4°F). A modest decline from daytime high temperatures in Yakataishi is noticed in December, marking the average low at a frosty 7°C (44.6°F).Humidity
The average relative humidity in December in Yakataishi is 72%.Rainfall
In Yakataishi, in December, during 10.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Yakataishi, during the entire year, the rain falls for 149.2 days and collects up to 456mm (17.95") of precipitation.Snowfall
January, February and December are months with snowfall in Yakataishi. December is the first month it typically snows in Yakataishi, Japan. Throughout December, in the average 0.8 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Yakataishi, there are 4.8 snowfall days, and 4mm (0.16") of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December in Yakataishi, sunrise is at 07:06 and sunset at 17:12. On the last day of the month, sunrise is at 07:24 and sunset at 17:22 JST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index in Yakataishi are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Yakataishi in December?
What is the average humidity in December in Yakataishi?
How many days does it rain in December in Yakataishi?
When does it start snowing in Yakataishi?
What is the month with the shortest days in Yakataishi?
How many hours of daylight does Yakataishi have in December?
When are sunrise and sunset in December in Yakataishi?
What are the months with the least sunshine in Yakataishi?
How long on average sun shines in December in Yakataishi?
When is the lowest UV index in Yakataishi?
What is the UV index intensity in December in Yakataishi?
Average temperature in December
Yakataishi, Japan
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in December
Yakataishi, Japan
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is January (1022.2mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in December
Yakataishi, Japan
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).
Average humidity in December
Yakataishi, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in December
Yakataishi, Japan
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in December
Yakataishi, Japan
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is May (9.4 days).
Average snowfall in December
Yakataishi, Japan
- Average snowfall in December: 1mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yakataishi, Japan
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Yakataishi, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in December
Yakataishi, Japan
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
Yakataishi, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Yakataishi, Japan
- Average cloud cover in December: 54
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Yakataishi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
